Tabelz SP160 Primary Table, Black Versatility: The 2nd generation laptop platforms include mounting for both 1/4-20" and 3/8-16" screws for attaching tripods, heads and other photographic equipment. Use reducer bushing to easily convert the 3/8" hole to accommodate quick release plates equipped with anti-rotation pins Rock-Solid Stability: Made from premium quality aluminum with anti-reflective coating. The low-profile bracing, which includes slots for attaching Tabelz' accessories, has been increased adding to its already unsurpassed stability Incredible Balance: The position of the mounting points has been enhanced for optimal balance whether using with a head or directly on the tripod